.site-header {
  min-height: 64px;
  padding: 12px 28px;
  border-bottom-color: rgba(255, 255, 255, 0.1);
  background: rgba(12, 12, 12, 0.26);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.08);
  backdrop-filter: blur(18px) saturate(1.18);
  -webkit-backdrop-filter: blur(18px) saturate(1.18);
}

/* Version 19: tighter overview, finer line glow and image inspection */
.project-overview {
  min-height: calc(100vh - 52px);
  padding-top: 0;
  padding-bottom: 38px;
}

.overview-grid {
  margin-top: 6px;
}

.project-overview::after {
  background: linear-gradient(90deg, rgba(21, 21, 21, 0.76) 0%, rgba(21, 21, 21, 0.68) 40%, rgba(21, 21, 21, 0.14) 100%);
}

.linework-background {
  opacity: 0.88;
  filter: brightness(1.32) contrast(1.16);
}

.linework-canvas {
  filter:
    drop-shadow(0 0 2px rgba(255, 34, 34, 1))
    drop-shadow(0 0 5px rgba(255, 24, 24, 0.92))
    drop-shadow(0 0 10px rgba(255, 18, 18, 0.55));
}

.project-overview .abstract {
  margin-top: 54px;
}

.continuous-images figure img {
  cursor: zoom-in;
  transition: filter 180ms ease, transform 240ms ease;
}

.continuous-images figure:hover img {
  filter: brightness(1.08);
  transform: scale(1.003);
}

.continuous-images figcaption > span:first-child:not(.figure-chapter-meta) {
  color: var(--ink);
  font-size: 14px;
  font-weight: 500;
}

.image-viewer {
  width: min(96vw, 1600px);
  max-width: none;
  height: 94vh;
  padding: 42px 24px 20px;
  border: 0;
  border-radius: 0;
  background: rgba(8, 8, 8, 0.96);
  color: var(--ink);
}

.image-viewer::backdrop {
  background: rgba(0, 0, 0, 0.88);
  backdrop-filter: blur(8px);
}

.image-viewer img {
  display: block;
  width: 100%;
  height: calc(100% - 34px);
  object-fit: contain;
}

.image-viewer button {
  position: absolute;
  top: 8px;
  right: 14px;
  border: 0;
  background: transparent;
  color: var(--ink);
  font: 300 30px/1 Arial, sans-serif;
  cursor: pointer;
}

.image-viewer p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.brand {
  position: relative;
  gap: 0;
  padding: 4px 0 7px;
  color: rgba(242, 241, 236, 0.88);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.35;
}

.main-nav {
  align-self: stretch;
  align-items: stretch;
  gap: 30px;
  color: rgba(242, 241, 236, 0.64);
  font-size: 15px;
  font-weight: 500;
}

.main-nav a {
  position: relative;
  display: flex;
  align-items: center;
  padding: 0 2px;
  transition: color 180ms ease, text-shadow 180ms ease;
}

.main-nav a::after,
.brand::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -12px;
  left: 0;
  height: 2px;
  background: var(--accent);
  box-shadow:
    0 0 8px color-mix(in srgb, var(--accent) 86%, transparent),
    0 0 20px color-mix(in srgb, var(--accent) 54%, transparent);
  opacity: 0;
  transform: scaleX(0.25);
  transition: opacity 180ms ease, transform 220ms ease;
}

.brand::after {
  bottom: -8px;
}

.main-nav a:hover,
.main-nav a.current,
.brand:hover,
.brand.current {
  color: var(--ink);
  text-shadow: 0 0 12px rgba(242, 241, 236, 0.22);
}

.main-nav a.current::after,
.brand.current::after {
  opacity: 1;
  transform: scaleX(1);
}

@media (max-width: 700px) {
  .site-header {
    padding-right: 18px;
    padding-left: 18px;
  }

  .main-nav {
    gap: 14px;
    font-size: 13px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .chapter-card:hover .chapter-slide-track,
  .chapter-card:focus-visible .chapter-slide-track {
    animation: none;
  }
}

/* Version 21: black reader, brighter soft glow, no fullscreen viewer */
#chapter-reader,
.reader-content,
.project-gallery,
.continuous-chapter,
.continuous-images,
.continuous-images figure,
.continuous-images figcaption {
  background: #000;
}

.continuous-images figure img {
  cursor: default;
  transform: none !important;
}

.continuous-images figure:hover img {
  filter: none;
}

.linework-canvas {
  filter:
    brightness(1.28)
    drop-shadow(0 0 3px rgba(255, 42, 42, 1))
    drop-shadow(0 0 9px rgba(255, 25, 25, 0.98))
    drop-shadow(0 0 20px rgba(255, 18, 18, 0.72))
    drop-shadow(0 0 34px rgba(255, 12, 12, 0.34));
}

/* Version 18: edge-triggered overlay sidebar */
.chapter-reader,
.chapter-reader.sidebar-collapsed {
  display: block;
  padding: 16px 28px 72px;
}

.chapter-reader[hidden] {
  display: none !important;
}

.reader-content {
  width: 100%;
  min-width: 0;
}

.sidebar-toggle {
  display: none !important;
}

.sidebar-hover-zone {
  position: fixed;
  z-index: 27;
  top: 52px;
  bottom: 0;
  left: 0;
  width: 18px;
}

.sidebar-hover-zone::after {
  content: "";
  position: absolute;
  top: 20%;
  bottom: 20%;
  left: 0;
  width: 2px;
  background: var(--accent);
  opacity: 0.18;
  transition: opacity 180ms ease, box-shadow 180ms ease;
}

.reader-sidebar,
.chapter-reader.sidebar-collapsed .reader-sidebar {
  position: fixed;
  z-index: 26;
  top: 52px;
  bottom: 0;
  left: 0;
  width: min(300px, 82vw);
  min-height: 0;
  padding: 54px 20px 32px;
  overflow-y: auto;
  border-right: 1px solid var(--line);
  background: rgba(18, 18, 18, 0.96);
  box-shadow: 22px 0 48px rgba(0, 0, 0, 0.42);
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transform: translateX(calc(-100% - 12px));
  transition:
    transform 360ms cubic-bezier(0.2, 0.72, 0.18, 1),
    opacity 220ms ease,
    visibility 0s linear 360ms;
}

.sidebar-hover-zone:hover::after {
  opacity: 0.9;
  box-shadow: 0 0 12px var(--accent);
}

.sidebar-hover-zone:hover + .reader-sidebar,
.reader-sidebar:hover,
.reader-sidebar:focus-within {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
  transform: translateX(0);
  transition-delay: 0s;
}

@media (max-width: 700px) {
  .chapter-reader,
  .chapter-reader.sidebar-collapsed {
    display: block;
    padding-right: 18px;
    padding-left: 18px;
  }

  .sidebar-hover-zone {
    top: 48px;
    width: 22px;
  }

  .reader-sidebar,
  .chapter-reader.sidebar-collapsed .reader-sidebar {
    top: 48px;
  }
}

/* Version 19 final override */
.project-overview {
  min-height: calc(100vh - 52px);
  padding-top: 0;
  padding-bottom: 38px;
}

.overview-grid {
  margin-top: 6px;
}

.project-overview::after {
  background: linear-gradient(90deg, rgba(21, 21, 21, 0.76) 0%, rgba(21, 21, 21, 0.68) 40%, rgba(21, 21, 21, 0.14) 100%);
}

.linework-background {
  opacity: 0.88;
  filter: brightness(1.32) contrast(1.16);
}

.linework-canvas {
  filter: drop-shadow(0 0 2px rgba(255, 34, 34, 1)) drop-shadow(0 0 5px rgba(255, 24, 24, 0.92)) drop-shadow(0 0 10px rgba(255, 18, 18, 0.55));
}

.project-overview .abstract {
  margin-top: 54px;
}

.continuous-images figure img {
  cursor: zoom-in;
  transition: filter 180ms ease, transform 240ms ease;
}

.continuous-images figure:hover img {
  filter: brightness(1.08);
  transform: scale(1.003);
}

.continuous-images figcaption > span:first-child:not(.figure-chapter-meta) {
  color: var(--ink);
  font-size: 14px;
  font-weight: 500;
}

.image-viewer {
  width: min(96vw, 1600px);
  max-width: none;
  height: 94vh;
  padding: 42px 24px 20px;
  border: 0;
  border-radius: 0;
  background: rgba(8, 8, 8, 0.96);
  color: var(--ink);
}

.image-viewer::backdrop {
  background: rgba(0, 0, 0, 0.88);
  backdrop-filter: blur(8px);
}

.image-viewer img {
  display: block;
  width: 100%;
  height: calc(100% - 34px);
  object-fit: contain;
}

.image-viewer button {
  position: absolute;
  top: 8px;
  right: 14px;
  border: 0;
  background: transparent;
  color: var(--ink);
  font: 300 30px/1 Arial, sans-serif;
  cursor: pointer;
}

.image-viewer p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 13px;
}

/* Three-paper chapter stacks */
.chapter-selector {
  padding-top: 110px;
  padding-bottom: 140px;
}

.chapter-cards {
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: clamp(46px, 5vw, 82px);
  width: min(1240px, calc(100% - 80px));
  max-width: none;
  margin: 0 auto;
  overflow: visible;
}

.chapter-card-image {
  aspect-ratio: 4 / 3;
  overflow: visible;
  border: 0;
  background: transparent;
  box-shadow: none;
  transform: none;
}

.chapter-card:hover .chapter-card-image,
.chapter-card:focus-visible .chapter-card-image,
.chapter-card.opening .chapter-card-image {
  border-color: transparent;
  box-shadow: none;
  transform: translateY(-5px);
}

.chapter-slide-track {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
  transform: none;
  animation: none;
}

.chapter-slide-track img {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  border: 1px solid rgba(255, 255, 255, 0.24);
  background: #050505;
  object-fit: cover;
  object-position: right center;
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.52);
  filter: contrast(1.04) brightness(0.82);
  transition:
    transform 620ms cubic-bezier(0.2, 0.72, 0.18, 1),
    filter 320ms ease,
    box-shadow 320ms ease;
}

.chapter-slide-track img:nth-child(1) {
  z-index: 3;
  transform: translate(0, 0) rotate(0deg);
}

.chapter-slide-track img:nth-child(2) {
  z-index: 2;
  transform: translate(10px, 10px) rotate(0.6deg);
}

.chapter-slide-track img:nth-child(3) {
  z-index: 1;
  transform: translate(20px, 20px) rotate(1.2deg);
}

.chapter-card:hover .chapter-slide-track,
.chapter-card:focus-visible .chapter-slide-track {
  animation: none;
}

.chapter-card:hover .chapter-slide-track img,
.chapter-card:focus-visible .chapter-slide-track img {
  filter: contrast(1.06) brightness(0.96);
  box-shadow: 0 20px 38px rgba(0, 0, 0, 0.62);
}

.chapter-card:hover .chapter-slide-track img:nth-child(1),
.chapter-card:focus-visible .chapter-slide-track img:nth-child(1) {
  transform: translate(-34%, -8%) rotate(-3deg);
}

.chapter-card:hover .chapter-slide-track img:nth-child(2),
.chapter-card:focus-visible .chapter-slide-track img:nth-child(2) {
  transform: translate(0, 0) rotate(0deg);
  transition-delay: 70ms;
}

.chapter-card:hover .chapter-slide-track img:nth-child(3),
.chapter-card:focus-visible .chapter-slide-track img:nth-child(3) {
  transform: translate(34%, 8%) rotate(3deg);
  transition-delay: 140ms;
}

.chapter-card-copy {
  padding-top: 38px;
}

@media (max-width: 980px) {
  .chapter-cards {
    grid-template-columns: repeat(5, 180px);
    gap: 64px;
    width: 100%;
    overflow-x: auto;
    overflow-y: visible;
    padding: 30px 70px 46px;
  }
}

@media (max-width: 700px) {
  .chapter-selector {
    padding-top: 72px;
    padding-bottom: 90px;
  }

  .chapter-cards {
    grid-template-columns: repeat(5, 154px);
    gap: 52px;
    padding-right: 46px;
    padding-left: 46px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .chapter-slide-track img {
    transition: none;
  }
}

.project-view,
.project-view.active {
  display: block;
  width: 100%;
  max-width: none;
  padding-right: 0;
  padding-left: 0;
}

.project-overview {
  position: relative;
  min-height: calc(100vh - 96px);
  padding: 0 28px 64px;
  overflow: hidden;
  isolation: isolate;
}

.project-overview::before {
  display: none;
}

.project-overview::after {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  background: linear-gradient(90deg, rgba(21, 21, 21, 0.99) 0%, rgba(21, 21, 21, 0.86) 43%, rgba(21, 21, 21, 0.18) 100%);
}

.linework-background,
.linework-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.linework-background {
  z-index: -3;
  object-fit: cover;
  object-position: center;
  opacity: 0.62;
  transform: scale(1.05);
}

.linework-canvas {
  z-index: -2;
  filter:
    drop-shadow(0 0 3px rgba(255, 24, 24, 1))
    drop-shadow(0 0 9px rgba(255, 20, 20, 0.94))
    drop-shadow(0 0 22px rgba(255, 16, 16, 0.64));
}

.overview-grid {
  display: grid;
  grid-template-columns: minmax(300px, 0.72fr) minmax(520px, 1.28fr);
  gap: 8vw;
  margin-top: 32px;
}

.overview-title h2 {
  max-width: 560px;
  margin-top: 18px;
  font-size: clamp(64px, 8vw, 128px);
}

.overview-meta {
  background: rgba(15, 15, 15, 0.22);
  backdrop-filter: blur(3px);
}

.overview-meta div {
  grid-template-columns: 140px minmax(0, 1fr);
  padding: 18px 0;
}

.project-overview .abstract {
  grid-template-columns: minmax(140px, 0.3fr) minmax(0, 1fr);
  max-width: 980px;
  margin: 90px 0 0 auto;
  padding: 24px 0 0;
  border-bottom: 0;
}

.project-overview .abstract p:last-child {
  max-width: 720px;
  font-size: 17px;
  line-height: 1.48;
}

.chapter-selector {
  padding: 72px 28px 108px;
  border-top: 1px solid var(--line);
}

.selector-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 36px;
}

.selector-header h3 {
  margin: 0;
  font-size: clamp(40px, 6vw, 86px);
  font-weight: 500;
  line-height: 0.95;
}

.chapter-cards {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: clamp(16px, 2vw, 32px);
  align-items: start;
}

.chapter-card {
  position: relative;
  grid-column: auto;
  display: block;
  min-width: 0;
  perspective: 1200px;
  transform-style: preserve-3d;
}

.chapter-card-image {
  position: relative;
  z-index: 2;
  aspect-ratio: 4 / 5;
  overflow: visible;
  background: #050505;
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow:
    7px 9px 0 -3px #d9d7cf,
    10px 12px 0 -4px #696861,
    14px 20px 28px rgba(0, 0, 0, 0.46);
  transform: rotateY(-3deg) rotateX(1deg);
  transition: transform 420ms ease, box-shadow 420ms ease;
}

.chapter-card-image::before {
  content: "";
  position: absolute;
  z-index: 3;
  inset: 0 auto 0 0;
  width: 10px;
  background: linear-gradient(90deg, rgba(0, 0, 0, 0.62), rgba(255, 255, 255, 0.12), transparent);
  pointer-events: none;
}

.chapter-card-image::after {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 5px -8px -8px 6px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: #c9c7bf;
  transform: translateZ(-8px);
  pointer-events: none;
}

.book-sheet {
  position: absolute;
  inset: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: #050505;
  backface-visibility: hidden;
  transform-origin: left center;
  transform-style: preserve-3d;
}

.book-sheet-back {
  z-index: 1;
}

.book-sheet-middle {
  z-index: 2;
}

.book-sheet-front {
  z-index: 3;
}

.book-sheet::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(0, 0, 0, 0.48), transparent 10%, transparent 88%, rgba(0, 0, 0, 0.14));
  pointer-events: none;
}

.chapter-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: contrast(1.05) brightness(0.88);
  transition: filter 300ms ease;
}

.chapter-card:hover .chapter-card-image,
.chapter-card:focus-visible .chapter-card-image {
  box-shadow:
    11px 10px 0 -3px #e6e3da,
    15px 14px 0 -4px #74736c,
    24px 30px 42px rgba(0, 0, 0, 0.54);
  transform: rotateY(-5deg) rotateX(1deg) translateY(-8px);
}

.chapter-card:hover img,
.chapter-card:focus-visible img {
  filter: contrast(1.08) brightness(1);
}

.chapter-card.opening .chapter-card-image {
  transform: rotateY(-82deg) translateX(-4px);
}

.chapter-card:hover .book-sheet-front,
.chapter-card:focus-visible .book-sheet-front {
  animation: flip-book-page 1.15s cubic-bezier(0.32, 0.02, 0.18, 1) 80ms forwards;
}

.chapter-card:hover .book-sheet-middle,
.chapter-card:focus-visible .book-sheet-middle {
  animation: flip-book-page 1.15s cubic-bezier(0.32, 0.02, 0.18, 1) 460ms forwards;
}

@keyframes flip-book-page {
  0% {
    transform: rotateY(0deg);
    filter: brightness(1);
  }

  48% {
    filter: brightness(0.62);
  }

  100% {
    transform: rotateY(-168deg);
    filter: brightness(0.82);
  }
}

.chapter-card-copy {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 8px;
  align-items: start;
  padding: 18px 0 24px;
}

.chapter-card-copy span {
  color: var(--muted);
  font-size: 13px;
}

.chapter-card-copy h4 {
  margin: 0;
  font-size: 17px;
  font-weight: 500;
}

.chapter-card-copy span:last-child {
  grid-column: 2;
}

::view-transition-old(chapter-cover) {
  animation: book-cover-out 520ms cubic-bezier(0.2, 0.72, 0.2, 1) both;
}

::view-transition-new(root) {
  animation: chapter-page-in 620ms cubic-bezier(0.2, 0.72, 0.2, 1) both;
}

@keyframes book-cover-out {
  to {
    opacity: 0;
    transform: perspective(1200px) rotateY(-72deg) scale(1.08);
    transform-origin: left center;
  }
}

@keyframes chapter-page-in {
  from {
    opacity: 0;
    transform: translateY(18px) scale(0.99);
  }
}

.chapter-reader {
  display: grid;
  grid-template-columns: minmax(176px, 220px) minmax(0, 1fr);
  gap: 24px;
  padding: 16px 28px 72px;
}

.chapter-selector + .chapter-reader {
  padding-top: 72px;
  border-top: 1px solid var(--line);
}

.chapter-reader[hidden] {
  display: none;
}

.reader-sidebar {
  position: sticky;
  top: 88px;
  align-self: start;
  min-height: calc(100vh - 112px);
  padding-right: 16px;
  border-right: 1px solid var(--line);
}

.reader-sidebar .section-kicker {
  margin-top: 30px;
  font-size: 10px;
}

.chapter-side-nav {
  display: grid;
  border-top: 1px solid var(--line);
}

.chapter-side-nav a {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 7px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
}

.chapter-side-nav a.active,
.chapter-side-nav a:hover {
  color: var(--ink);
}

.reader-heading {
  min-height: 116px;
  margin-bottom: 22px;
  padding: 18px 0 24px;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--line);
}

.reader-heading span {
  color: var(--muted);
  font-size: 13px;
}

.reader-heading h3 {
  max-width: 900px;
  margin: 12px 0 0;
  font-size: clamp(30px, 3.8vw, 58px);
  font-weight: 500;
  line-height: 0.98;
}

.waterfall-gallery {
  display: block;
  columns: 1;
}

.continuous-chapter {
  scroll-margin-top: 82px;
  margin-bottom: 112px;
}

.continuous-chapter:last-child {
  margin-bottom: 0;
}

.continuous-heading {
  min-height: 116px;
  margin-bottom: 26px;
  padding: 18px 0 24px;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--line);
}

.continuous-heading span {
  color: var(--muted);
  font-size: 13px;
}

.continuous-heading h3 {
  max-width: 920px;
  margin: 12px 0 0;
  font-size: clamp(30px, 3.8vw, 58px);
  font-weight: 500;
  line-height: 0.98;
}

.continuous-images {
  display: block;
}

.continuous-images figure:last-child {
  margin-bottom: 0;
}

.waterfall-gallery figure {
  display: inline-block;
  width: 100%;
  margin: 0 0 54px;
  break-inside: avoid;
}

.waterfall-gallery img {
  width: 100%;
  border: 0;
  background: #050505;
}

.waterfall-gallery figcaption {
  align-items: baseline;
  margin-top: 8px;
  border-top: 1px solid var(--line);
}

@media (max-width: 980px) {
  .overview-grid {
    grid-template-columns: 1fr;
  }

  .chapter-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .chapter-reader {
    grid-template-columns: 168px minmax(0, 1fr);
  }
}

@media (max-width: 700px) {
  .project-overview,
  .chapter-selector,
  .chapter-reader {
    padding-right: 18px;
    padding-left: 18px;
  }

  .overview-grid {
    gap: 32px;
  }

  .overview-meta div,
  .project-overview .abstract {
    grid-template-columns: 1fr;
  }

  .chapter-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px 14px;
  }

  .chapter-card-copy h4 {
    font-size: 15px;
  }

  .chapter-reader {
    display: block;
  }

  .reader-sidebar {
    position: static;
    min-height: 0;
    margin-bottom: 28px;
    padding-right: 0;
    border-right: 0;
  }

  .chapter-side-nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .waterfall-gallery {
    columns: 1;
  }

  .waterfall-gallery figure:nth-child(n) {
    margin-top: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .chapter-card-image,
  .chapter-card img {
    transition: none;
  }

  ::view-transition-group(*),
  ::view-transition-old(*),
  ::view-transition-new(*) {
    animation-duration: 1ms;
  }
}

/* Sliding chapter strips */
.chapter-cards {
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: clamp(18px, 2.6vw, 42px);
  max-width: 1500px;
  margin: 0 auto;
}

.chapter-card {
  perspective: none;
}

.chapter-card-image {
  aspect-ratio: 2 / 5;
  overflow: hidden;
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: 0 18px 34px rgba(0, 0, 0, 0.38);
  transform: none;
  transition: border-color 220ms ease, box-shadow 260ms ease, transform 260ms ease;
}

.chapter-card-image::before,
.chapter-card-image::after {
  display: none;
}

.chapter-slide-track {
  display: flex;
  width: 300%;
  height: 100%;
  transform: translateX(0);
}

.chapter-slide-track img {
  flex: 0 0 33.3333%;
  width: 33.3333%;
  height: 100%;
  object-fit: cover;
  object-position: right center;
  filter: contrast(1.06) brightness(0.86);
}

.chapter-card:hover .chapter-card-image,
.chapter-card:focus-visible .chapter-card-image {
  border-color: rgba(168, 199, 185, 0.78);
  box-shadow:
    0 0 0 1px rgba(168, 199, 185, 0.2),
    0 18px 42px rgba(0, 0, 0, 0.48);
  transform: translateY(-6px);
}

.chapter-card:hover .chapter-slide-track,
.chapter-card:focus-visible .chapter-slide-track {
  animation: chapter-strip-slide 3.6s cubic-bezier(0.68, 0, 0.24, 1) infinite;
}

.chapter-card.opening .chapter-card-image {
  transform: translateY(-6px) scale(1.01);
}

@keyframes chapter-strip-slide {
  0%, 23% {
    transform: translateX(0);
  }

  34%, 58% {
    transform: translateX(-33.3333%);
  }

  69%, 92% {
    transform: translateX(-66.6666%);
  }

  100% {
    transform: translateX(0);
  }
}

::view-transition-old(chapter-cover) {
  animation: strip-transition-out 420ms ease both;
}

@keyframes strip-transition-out {
  to {
    opacity: 0;
    transform: translateY(14px) scale(0.98);
  }
}

.continuous-heading {
  min-height: 92px;
}

.continuous-heading h3 {
  max-width: 760px;
  font-size: clamp(25px, 2.8vw, 42px);
  line-height: 1.04;
}

@media (max-width: 980px) {
  .chapter-cards {
    grid-template-columns: repeat(5, minmax(120px, 1fr));
    overflow-x: auto;
    padding: 8px 0 24px;
  }
}

@media (max-width: 700px) {
  .chapter-cards {
    grid-template-columns: repeat(5, 142px);
  }

  .chapter-card-copy h4 {
    font-size: 14px;
  }
}

/* Version 14: compact navigation and chapter metadata */
.site-header {
  min-height: 52px;
  padding-top: 7px;
  padding-bottom: 7px;
  background: rgba(12, 12, 12, 0.16);
  backdrop-filter: blur(15px) saturate(1.12);
  -webkit-backdrop-filter: blur(15px) saturate(1.12);
}

.brand {
  font-size: 11px;
}

.main-nav {
  font-size: 14px;
}

.chapter-side-nav a {
  grid-template-columns: 23px minmax(0, 1fr);
  gap: 8px;
  padding: 13px 0;
}

.side-number {
  padding-top: 1px;
  font-size: 10px;
}

.side-copy {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.side-copy strong {
  font-size: 12px;
  font-weight: 600;
}

.side-copy small {
  color: rgba(242, 241, 236, 0.68);
  font-size: 9px;
  line-height: 1.25;
}

.side-copy em {
  color: rgba(164, 162, 155, 0.7);
  font-size: 8px;
  font-style: italic;
  line-height: 1.3;
}

.figure-chapter-meta {
  display: grid;
  gap: 4px;
  max-width: 620px;
  color: var(--ink);
}

.figure-chapter-meta small {
  color: var(--muted);
  font-size: 10px;
  text-transform: uppercase;
}

.figure-chapter-meta strong {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  text-transform: uppercase;
}

.figure-chapter-meta em {
  color: var(--muted);
  font-size: 10px;
  font-weight: 400;
  line-height: 1.35;
}

.continuous-chapter {
  scroll-margin-top: 66px;
}

.chapter-selector {
  padding-top: 104px;
  padding-bottom: 132px;
}

.chapter-cards {
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: clamp(42px, 4.6vw, 76px);
  width: min(1240px, calc(100% - 80px));
  max-width: none;
  margin: 0 auto;
  overflow: visible;
}

.chapter-card-image {
  aspect-ratio: 4 / 3;
  overflow: visible;
  border: 0;
  background: transparent;
  box-shadow: none;
  transform: none;
}

.chapter-card-image::before,
.chapter-card-image::after {
  display: none;
}

.chapter-card:hover .chapter-card-image,
.chapter-card:focus-visible .chapter-card-image,
.chapter-card.opening .chapter-card-image {
  border-color: transparent;
  box-shadow: none;
  transform: translateY(-5px);
}

.chapter-slide-track {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
  transform: none;
  animation: none;
}

.chapter-slide-track img {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  border: 1px solid rgba(255, 255, 255, 0.24);
  background: #050505;
  object-fit: cover;
  object-position: right center;
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.52);
  filter: contrast(1.04) brightness(0.82);
  transition: transform 620ms cubic-bezier(0.2, 0.72, 0.18, 1), filter 320ms ease;
}

.chapter-slide-track img:nth-child(1) {
  z-index: 3;
  transform: translate(0, 0);
}

.chapter-slide-track img:nth-child(2) {
  z-index: 2;
  transform: translate(10px, 10px) rotate(0.6deg);
}

.chapter-slide-track img:nth-child(3) {
  z-index: 1;
  transform: translate(20px, 20px) rotate(1.2deg);
}

.chapter-card:hover .chapter-slide-track,
.chapter-card:focus-visible .chapter-slide-track {
  animation: none;
}

.chapter-card:hover .chapter-slide-track img:nth-child(1),
.chapter-card:focus-visible .chapter-slide-track img:nth-child(1) {
  transform: translate(-32%, -7%) rotate(-3deg);
}

.chapter-card:hover .chapter-slide-track img:nth-child(2),
.chapter-card:focus-visible .chapter-slide-track img:nth-child(2) {
  transform: translate(0, 0);
}

.chapter-card:hover .chapter-slide-track img:nth-child(3),
.chapter-card:focus-visible .chapter-slide-track img:nth-child(3) {
  transform: translate(32%, 7%) rotate(3deg);
}

.chapter-card-copy {
  display: grid;
  grid-template-columns: 1fr;
  gap: 5px;
  padding-top: 34px;
}

.chapter-card-number {
  color: var(--muted);
  font-size: 9px;
  text-transform: uppercase;
}

.chapter-card-copy h4 {
  font-size: 12px;
  font-weight: 600;
  line-height: 1.22;
  text-transform: uppercase;
}

.chapter-card-copy p {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 8px;
  font-style: italic;
  line-height: 1.35;
}

@media (max-width: 980px) {
  .chapter-cards {
    grid-template-columns: repeat(5, 180px);
    gap: 62px;
    width: 100%;
    overflow-x: auto;
    padding: 28px 70px 44px;
  }
}

@media (max-width: 700px) {
  .site-header {
    min-height: 48px;
  }

  .chapter-cards {
    grid-template-columns: repeat(5, 154px);
    gap: 50px;
    padding-right: 46px;
    padding-left: 46px;
  }

  .side-copy small,
  .side-copy em {
    display: none;
  }
}

/* Version 15: collapsible chapter navigation */
.chapter-reader {
  position: relative;
  transition: grid-template-columns 360ms cubic-bezier(0.2, 0.72, 0.18, 1);
}

.reader-sidebar {
  width: 100%;
  opacity: 1;
  transform: translateX(0);
  transition: opacity 220ms ease, transform 360ms cubic-bezier(0.2, 0.72, 0.18, 1);
}

.reader-content {
  min-width: 0;
}

.sidebar-toggle {
  position: fixed;
  z-index: 28;
  top: 64px;
  left: 10px;
  display: grid;
  align-content: center;
  gap: 4px;
  width: 34px;
  height: 34px;
  padding: 8px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 0;
  background: rgba(12, 12, 12, 0.34);
  color: var(--ink);
  cursor: pointer;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.sidebar-toggle span {
  display: block;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform-origin: center;
  transition: transform 220ms ease, width 220ms ease;
}

.sidebar-toggle:hover,
.sidebar-toggle:focus-visible {
  border-color: var(--accent);
  color: var(--accent);
  outline: none;
  box-shadow: 0 0 14px rgba(168, 199, 185, 0.2);
}

.chapter-reader.sidebar-collapsed {
  grid-template-columns: 0 minmax(0, 1fr);
  gap: 0;
}

.chapter-reader.sidebar-collapsed .reader-sidebar {
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transform: translateX(-110%);
}

.chapter-reader:not(.sidebar-collapsed) .sidebar-toggle span:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
}

.chapter-reader:not(.sidebar-collapsed) .sidebar-toggle span:nth-child(2) {
  width: 0;
}

.chapter-reader:not(.sidebar-collapsed) .sidebar-toggle span:nth-child(3) {
  transform: translateY(-5px) rotate(-45deg);
}

@media (max-width: 700px) {
  .chapter-reader:not(.sidebar-collapsed) {
    display: block;
  }

  .chapter-reader:not(.sidebar-collapsed) .reader-sidebar {
    position: fixed;
    z-index: 26;
    top: 48px;
    bottom: 0;
    left: 0;
    width: min(300px, 82vw);
    min-height: 0;
    padding: 58px 18px 30px;
    overflow-y: auto;
    border-right: 1px solid var(--line);
    background: rgba(18, 18, 18, 0.96);
  }

  .chapter-reader.sidebar-collapsed {
    display: block;
  }

  .sidebar-toggle {
    top: 56px;
  }
}

/* Version 18 final override: edge-triggered overlay sidebar */
.chapter-reader,
.chapter-reader.sidebar-collapsed {
  display: block;
  padding: 16px 28px 72px;
}

.chapter-reader[hidden] {
  display: none !important;
}

.reader-content {
  width: 100%;
  min-width: 0;
}

.sidebar-toggle {
  display: none !important;
}

.sidebar-hover-zone {
  position: fixed;
  z-index: 27;
  top: 52px;
  bottom: 0;
  left: 0;
  width: 18px;
}

.sidebar-hover-zone::after {
  content: "";
  position: absolute;
  top: 20%;
  bottom: 20%;
  left: 0;
  width: 2px;
  background: var(--accent);
  opacity: 0.18;
  transition: opacity 180ms ease, box-shadow 180ms ease;
}

.reader-sidebar,
.chapter-reader.sidebar-collapsed .reader-sidebar {
  position: fixed;
  z-index: 26;
  top: 52px;
  bottom: 0;
  left: 0;
  width: min(300px, 82vw);
  min-height: 0;
  padding: 54px 20px 32px;
  overflow-y: auto;
  border-right: 1px solid var(--line);
  background: rgba(18, 18, 18, 0.96);
  box-shadow: 22px 0 48px rgba(0, 0, 0, 0.42);
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transform: translateX(calc(-100% - 12px));
  transition: transform 360ms cubic-bezier(0.2, 0.72, 0.18, 1), opacity 220ms ease, visibility 0s linear 360ms;
}

.sidebar-hover-zone:hover::after {
  opacity: 0.9;
  box-shadow: 0 0 12px var(--accent);
}

.sidebar-hover-zone:hover + .reader-sidebar,
.reader-sidebar:hover,
.reader-sidebar:focus-within {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
  transform: translateX(0);
  transition-delay: 0s;
}

@media (max-width: 700px) {
  .chapter-reader,
  .chapter-reader.sidebar-collapsed {
    display: block;
    padding-right: 18px;
    padding-left: 18px;
  }

  .sidebar-hover-zone {
    top: 48px;
    width: 22px;
  }

  .reader-sidebar,
  .chapter-reader.sidebar-collapsed .reader-sidebar {
    top: 48px;
  }
}

/* Version 19 end-of-file visual override */
.project-overview {
  min-height: calc(100vh - 52px);
  padding-top: 0;
  padding-bottom: 38px;
}

.overview-grid { margin-top: 6px; }

.project-overview::after {
  background: linear-gradient(90deg, rgba(21, 21, 21, 0.76) 0%, rgba(21, 21, 21, 0.68) 40%, rgba(21, 21, 21, 0.14) 100%);
}

.linework-background {
  opacity: 0.88;
  filter: brightness(1.32) contrast(1.16);
}

.linework-canvas {
  filter: drop-shadow(0 0 2px rgba(255, 34, 34, 1)) drop-shadow(0 0 5px rgba(255, 24, 24, 0.92)) drop-shadow(0 0 10px rgba(255, 18, 18, 0.55));
}

.project-overview .abstract { margin-top: 54px; }
.continuous-images figure img { cursor: zoom-in; transition: filter 180ms ease, transform 240ms ease; }
.continuous-images figure:hover img { filter: brightness(1.08); transform: scale(1.003); }
.continuous-images figcaption > span:first-child:not(.figure-chapter-meta) { color: var(--ink); font-size: 14px; font-weight: 500; }

.image-viewer {
  width: min(96vw, 1600px);
  max-width: none;
  height: 94vh;
  padding: 42px 24px 20px;
  border: 0;
  border-radius: 0;
  background: rgba(8, 8, 8, 0.96);
  color: var(--ink);
}
.image-viewer::backdrop { background: rgba(0, 0, 0, 0.88); backdrop-filter: blur(8px); }
.image-viewer img { display: block; width: 100%; height: calc(100% - 34px); object-fit: contain; }
.image-viewer button { position: absolute; top: 8px; right: 14px; border: 0; background: transparent; color: var(--ink); font: 300 30px/1 Arial, sans-serif; cursor: pointer; }
.image-viewer p { margin: 10px 0 0; color: var(--muted); font-size: 13px; }

/* Version 20: tighter header indicator and sequential inset reveal */
.main-nav a::after {
  bottom: -5px;
}

.brand::after {
  bottom: -3px;
}

.sequential-detail-figure {
  position: relative;
}

.detail-curtains {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.detail-curtains i {
  position: absolute;
  width: 16.2%;
  height: 29.5%;
  background: #050505;
  opacity: 1;
  transform: scale(1.015);
}

.detail-curtains i:nth-child(1) { top: 17%; left: 63.3%; }
.detail-curtains i:nth-child(2) { top: 17%; left: 82.1%; }
.detail-curtains i:nth-child(3) { top: 52%; left: 63.3%; }
.detail-curtains i:nth-child(4) { top: 52%; left: 82.1%; }

.details-visible .detail-curtains i {
  animation: reveal-detail 620ms cubic-bezier(0.22, 0.72, 0.18, 1) forwards;
}

.details-visible .detail-curtains i:nth-child(2) { animation-delay: 260ms; }
.details-visible .detail-curtains i:nth-child(3) { animation-delay: 520ms; }
.details-visible .detail-curtains i:nth-child(4) { animation-delay: 780ms; }

@keyframes reveal-detail {
  0% { opacity: 1; transform: scale(1.015); }
  55% { opacity: 0.42; }
  100% { opacity: 0; transform: scale(0.985); }
}

@media (prefers-reduced-motion: reduce) {
  .detail-curtains i {
    opacity: 0;
    animation: none !important;
  }
}

/* Version 21 final override */
#chapter-reader,
.reader-content,
.project-gallery,
.continuous-chapter,
.continuous-images,
.continuous-images figure,
.continuous-images figcaption {
  background: #000;
}

.continuous-images figure img {
  cursor: default;
  transform: none !important;
}

.continuous-images figure:hover img {
  filter: none;
}

.linework-canvas {
  filter: brightness(1.28) drop-shadow(0 0 3px rgba(255, 42, 42, 1)) drop-shadow(0 0 9px rgba(255, 25, 25, 0.98)) drop-shadow(0 0 20px rgba(255, 18, 18, 0.72)) drop-shadow(0 0 34px rgba(255, 12, 12, 0.34));
}

/* Version 22: compact header, directional linework and hover reveal */
.site-header {
  min-height: 52px;
  padding-top: 6px;
  padding-bottom: 6px;
}

.main-nav a::after {
  bottom: -1px;
}

.brand::after {
  bottom: 0;
}

.linework-background {
  opacity: 0.92;
  -webkit-mask-image: linear-gradient(90deg, rgba(0, 0, 0, 0.28) 0%, rgba(0, 0, 0, 0.58) 42%, #000 100%);
  mask-image: linear-gradient(90deg, rgba(0, 0, 0, 0.28) 0%, rgba(0, 0, 0, 0.58) 42%, #000 100%);
}

.detail-curtains i {
  width: 17.2%;
  height: 31.5%;
  opacity: 1;
  animation: none;
  transform: none;
}

.detail-curtains i:nth-child(1) { top: 20.5%; left: 62.8%; }
.detail-curtains i:nth-child(2) { top: 20.5%; left: 81.8%; }
.detail-curtains i:nth-child(3) { top: 54%; left: 62.8%; }
.detail-curtains i:nth-child(4) { top: 54%; left: 81.8%; }

.details-visible .detail-curtains i {
  animation: none;
}

.sequential-detail-figure:hover .detail-curtains i {
  animation: reveal-detail 680ms cubic-bezier(0.22, 0.72, 0.18, 1) forwards;
}

.sequential-detail-figure:hover .detail-curtains i:nth-child(2) { animation-delay: 260ms; }
.sequential-detail-figure:hover .detail-curtains i:nth-child(3) { animation-delay: 520ms; }
.sequential-detail-figure:hover .detail-curtains i:nth-child(4) { animation-delay: 780ms; }

/* Version 23: corrected detail masks, typewriter cover, hidden controls */
.dither-controls {
  display: none !important;
}

.detail-curtains i {
  background: #020304;
}

.detail-curtains i:nth-child(1) { top: 12.5%; left: 61.5%; width: 18.7%; height: 35%; }
.detail-curtains i:nth-child(2) { top: 12.5%; left: 80.5%; width: 18.7%; height: 35%; }
.detail-curtains i:nth-child(3) { top: 49%; left: 61.5%; width: 18.7%; height: 39%; }
.detail-curtains i:nth-child(4) { top: 49%; left: 80.5%; width: 18.7%; height: 39%; }

.typewriter-figure {
  position: relative;
}

.typewriter-title {
  position: absolute;
  top: 20%;
  left: 6.5%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  width: 62%;
  padding: 5% 4% 4%;
  overflow: hidden;
  background: #000;
  color: #f2f1ec;
  pointer-events: none;
}

.typewriter-title small,
.typewriter-title strong {
  display: block;
  width: 0;
  max-width: max-content;
  overflow: hidden;
  white-space: nowrap;
  border-right: 2px solid rgba(242, 241, 236, 0.82);
  font-weight: 700;
  line-height: 1.2;
  animation: type-line 900ms steps(14, end) 180ms forwards, caret 520ms step-end 3;
  animation-play-state: paused;
}

.typewriter-title small {
  font-size: clamp(11px, 1.5vw, 24px);
}

.typewriter-title strong {
  margin-top: 1.2%;
  font-size: clamp(13px, 1.7vw, 28px);
  animation-delay: 1050ms, 1050ms;
  animation-duration: 1450ms, 520ms;
}

.typewriter-title em {
  margin-top: 2.5%;
  opacity: 0;
  font-size: clamp(8px, 0.82vw, 14px);
  animation: subtitle-in 500ms ease 2600ms forwards;
  animation-play-state: paused;
}

.typing-visible .typewriter-title small,
.typing-visible .typewriter-title strong,
.typing-visible .typewriter-title em {
  animation-play-state: running;
}

@keyframes type-line {
  from { width: 0; }
  to { width: 100%; }
}

@keyframes caret {
  50% { border-color: transparent; }
}

@keyframes subtitle-in {
  to { opacity: 0.82; }
}

@media (prefers-reduced-motion: reduce) {
  .typewriter-title small,
  .typewriter-title strong { width: 100%; border-right: 0; animation: none; }
  .typewriter-title em { opacity: 0.82; animation: none; }
}

/* Version 26: reliable masks and progressive annotations */
.continuous-images figure { position: relative; }
.continuous-images figure > img { position: relative; z-index: 1; }
.pdf-title-cleaner { position: absolute; z-index: 20; inset: 0; display: block; pointer-events: none; }
.pdf-title-cleaner i { position: absolute; top: 0; display: block; height: 11.5%; background: #000; }
.pdf-title-cleaner i:first-child { left: 0; width: 62%; }
.pdf-title-cleaner i:last-child { right: 0; width: 32%; }
.typewriter-title { z-index: 24; }

.pixel-reveal { position: absolute; z-index: 18; top: 0; right: 0; display: grid; grid-template-columns: repeat(6, 1fr); grid-template-rows: repeat(8, 1fr); width: 28%; height: calc(100% - 58px); pointer-events: none; }
.pixel-reveal i { background: #000; animation: pixel-away 420ms steps(2, end) calc(2.5s + var(--tile) * 28ms) forwards; }
@keyframes pixel-away { to { opacity: 0; transform: scale(0.82); } }

.block-reveal { position: absolute; z-index: 18; right: 4.5%; bottom: 8%; left: 4.5%; display: grid; grid-template-columns: repeat(4, 1fr); grid-template-rows: repeat(2, 1fr); gap: 2.2%; height: 29%; pointer-events: none; }
.block-reveal i { background: #000; }
.continuous-images figure:hover .block-reveal i { animation: block-away 520ms ease calc(var(--block) * 150ms) forwards; }
@keyframes block-away { to { opacity: 0; transform: translateY(8px); } }

.map-hotspots { position: absolute; z-index: 22; inset: 0; pointer-events: none; }
.map-hotspots button { position: absolute; top: var(--y); left: var(--x); width: 12px; height: 12px; padding: 0; border: 1px solid #ff4b4b; border-radius: 50%; background: rgba(255, 35, 35, 0.22); box-shadow: 0 0 12px rgba(255, 35, 35, 0.72); color: var(--ink); pointer-events: auto; cursor: help; }
.map-hotspots button::after { content: ""; position: absolute; top: 5px; left: 11px; width: 0; height: 1px; background: #ff4b4b; transition: width 220ms ease; }
.map-hotspots button span { position: absolute; top: -13px; left: 64px; width: max-content; max-width: 190px; padding: 6px 8px; background: rgba(0, 0, 0, 0.9); font-size: 11px; opacity: 0; transform: translateX(-5px); transition: opacity 180ms ease, transform 220ms ease; }
.map-hotspots button:hover::after, .map-hotspots button:focus-visible::after { width: 48px; }
.map-hotspots button:hover span, .map-hotspots button:focus-visible span { opacity: 1; transform: translateX(0); }

@media (prefers-reduced-motion: reduce) {
  .pixel-reveal { display: none; }
  .block-reveal i { opacity: 0; }
}

/* Version 27: ecology page uses the actual ten-block composition */
.block-reveal {
  inset: 0;
  display: block;
  height: auto;
}

.block-reveal i {
  position: absolute;
  background: #000;
}

.block-reveal i:nth-child(1) { top: 61.5%; left: 3.4%; width: 23.6%; height: 15%; }
.block-reveal i:nth-child(2) { top: 61.5%; left: 28%; width: 19.7%; height: 15%; }
.block-reveal i:nth-child(3) { top: 78%; left: 3.4%; width: 23.6%; height: 15.5%; }
.block-reveal i:nth-child(4) { top: 78%; left: 28%; width: 21%; height: 15.5%; }
.block-reveal i:nth-child(5) { top: 63%; left: 51.2%; width: 22.8%; height: 10%; }
.block-reveal i:nth-child(6) { top: 63%; left: 74.2%; width: 23.3%; height: 10%; }
.block-reveal i:nth-child(7) { top: 73.5%; left: 51.2%; width: 22.8%; height: 8.8%; }
.block-reveal i:nth-child(8) { top: 73.5%; left: 74.2%; width: 23.3%; height: 8.8%; }
.block-reveal i:nth-child(9) { top: 82.8%; left: 51.2%; width: 22.8%; height: 9.2%; }
.block-reveal i:nth-child(10) { top: 82.8%; left: 74.2%; width: 23.3%; height: 9.2%; }

/* Version 27 final: restore the four Huama Lake masks */
.detail-curtains {
  position: absolute;
  z-index: 26;
  inset: 0;
  display: block;
  pointer-events: none;
}

.detail-curtains i {
  position: absolute;
  display: block;
  opacity: 1;
  background: #000;
  animation: none;
  transform: none;
}

.detail-curtains i:nth-child(1) { top: 17%; left: 61.7%; width: 16.5%; height: 33%; }
.detail-curtains i:nth-child(2) { top: 17%; left: 80.8%; width: 16.5%; height: 33%; }
.detail-curtains i:nth-child(3) { top: 53.2%; left: 61.7%; width: 16.5%; height: 35.8%; }
.detail-curtains i:nth-child(4) { top: 53.2%; left: 80.8%; width: 16.5%; height: 35.8%; }

.details-visible .detail-curtains i {
  opacity: 1;
  animation: none;
}

.sequential-detail-figure:hover .detail-curtains i {
  animation: reveal-detail 680ms cubic-bezier(0.22, 0.72, 0.18, 1) forwards;
}

.sequential-detail-figure:hover .detail-curtains i:nth-child(2) { animation-delay: 260ms; }
.sequential-detail-figure:hover .detail-curtains i:nth-child(3) { animation-delay: 520ms; }
.sequential-detail-figure:hover .detail-curtains i:nth-child(4) { animation-delay: 780ms; }